Question

how to remember chemical equations

Answer 1

Study

Answer 2

There are some basic guidelines that can help:
https://quizlet.com/11482336/ap-chemistry-reaction-rules-flash-cards/

More than that, lots and lots...and lots of practice, is needed.

Answer 3

I find that remembering something is easy, when you translate it to your hobby (or something interests you). For example, I wrote a poem for my notes, containing the content, of my science class, and now I remember everything of that chapter. I hope this helps.