I'll ask her about it.

ask Verb

— To ask is to look for an answer to a question by saying it. She sure does ask a lot of questions! — To approach someone to see if they will do something. Let me ask my mom if I can go.

her Pronoun

— You use her instead of the name of a person, to talk about a woman or girl. (used in the object or complement position, never as a subject) This is Susan's book. Give it to her. — If you say something is her thing, you mean it belongs to a particular woman or girl. It is her book, not mine,

about Preposition

— You use about to say what subject something is related to. Let's not talk about her problems. — If something moves about, it moves this way and that way. He walked about the place, looking everywhere. — Having to do with, concerning, regarding. I will talk about dogs.

about Adverb

— You use about before a number or amount, to say that it may be a little more or a little less. We're here just about every week. About two years ago, I started skiing.

about Adjective

— Something is about to happen, it will happen very soon; almost going to happen. Please be seated. We're about to begin.

it Pronoun

— used to refer to an object without identifying or describing it; the object might have been described earlier in the text. The house was very big. It had many rooms. — used to describe the weather It is very hot today. I'm staying in because it is raining — used to describe a situation in general I don't like it when people tell me to do something. It is hard to find a job.

it Abbreviation

— It can be a short way of writing: — # Italy or Italian — # Information Technology, the use of computers