Question

Identify the precipitate (if any) that forms when KOH and Cu(NO3)2 are mixed.

Answer 1

So, the balanced equation would be :
KOH+Cu(NO3)2--> Cu(OH)2+ K(NO3)
You should have solubility rules in your book, but in my book, when you mix anything with OH- it will be insoluble (there are several exceptions to this,but none apply to this problem). so, your precipitate would be Cu(OH)2