Final answer:
Cu(OH)2: insoluble, LiCl: soluble, Zn(NO3)2: soluble, AlCl3: soluble, PbI2: insoluble, NaBr: soluble, BaSO4: insoluble
Step-by-step explanation:
The solubility of a compound can be determined by referring to solubility rules. Based on the given compounds:
Cu(OH)2: insoluble
LiCl: soluble
Zn(NO3)2: soluble
AlCl3: soluble
PbI2: insoluble
NaBr: soluble
BaSO4: insoluble