J.R. S. answered 02/04/21
Ph.D. University Professor with 10+ years Tutoring Experience
You will need to learn the solubility rules to answer questions like this.
All nitrates and acetates are soluble.
Group 1 salts are soluble
__√_ Na2CO3
___ CuI2
__√_ Pb(NO3)2
___ CoCO3
___ AgCl
__√_ K3PO4
__√_ LiOH