When KCl (aq) and AgNO3 (aq) react, they form a precipitate. What ions are not involved in the formation of this precipitate?

Answers are 1,2,4 its correct on edgenuity.

Answer is: the equilibrium  shifts toward the reactants, to the left side of chemical reaction.it is because lead(ii) nitrate dissociates in water: pb(no₃)₂ → pb²⁺(aq) + 2no₃⁻(aq).according to lechatelier's principle, the position of equilibrium moves to counteract thechange (more lead cations, common ion), the position of equilibrium will move so that the concentration ofproducts decrease and concentration of reactants of chemical reaction increase.read more on -

Answerionic bond imfs are stronger than covalent;