2. The following reactions take place in water. Rewrite each equation and specify whether each substancewould be aqueous (aq) or solid (s).a. Pb(NO3)2 ( ) + BaI2 ( ) PbI2 ( ) + Ba(NO3)2 ( )b. Ba(C2H3O2)2 ( ) + CuSO4 ( ) Cu(C2H3O2)2 ( ) + BaSO4 ( )c. ZnSO4 ( ) + 2AgNO3 ( ) Zn(NO3)2 ( ) + Ag2SO4 ( )d. Cu(NO3)2 ( ) + 2NaOH ( ) Cu(OH)2 ( ) + 2NaNO3 ( )e. Silver nitrate and sodium carbonate react to form silver carbonate and sodium nitrate .3. Which three anions form the most soluble compounds?4. Which two cations form the most soluble compounds?5. It is helpful to create a generate rule for solubility of compounds? Fill in the following blank todescribe the solubility of some ionic compounds.a. Compounds containing the ion sodium (Na+) are always ____________.b. Compounds containing the anion nitrate (NO3–) are always ____________.c. Compounds containing the ion carbonate are usually _______. Exceptions include ______ and _______.