2. For each of the following predict if a reaction will occur. complete balanced chemical equation, (2) reactions, (4) indicate what is undergoing oxidation and what is reaction occurs, then merely write NR and move on. write the net ionic equation, (3) write the b undergoing redu a. Ni (aq) +Fe(s) b. Cd(NO)2(aq) + Mg(s)-> Mn(s) + HCl(aq)-> d. CrCl,(aq) + Fe(s)â H,SO,(aq) + Pd(s)-->