I am in ch 1 so I'm lvl 1 but I'm supposed to know 2 spells, right? At least, when I was making the character I could choose 2 spells, I chose Identify and Magic Missile. I realize now that I don't have to memorize, but when I press the spell symbol to cast a spell (the moon and stars) I can only cast the missiles. No sign of identify. We have quite a number of unidentified things now but I can't identify them!
Can't I cast more than 1 spell until the next lvl?
Can't I choose then which spell I can cast?
Help!

You can't actually choose Identify, because when you need to use it, right click the item, click identify, then spell. Thats the only way.

You said you do not need to memorise spells so I would assume you are a sorcerer. Sorcerers spells are limited so if you cast all your magic missiles you won't be able to cast identify until you rest. And vise versa.