8). Using the following portion of the activity series for oxidation half reactions Ca(s) Ca2+(aq) + 2e Mg(s) Mg2+(aq) + 2e- Zn(s) Zn2+(aq) + 2e- Cu(s) Cu2+(aq) + 2e- determine which reaction will not occur. A) Ca(s) with Cu2+(aq) B) Ca(s) with Zn2+(aq) C) Zn(s) with Cu2+(aq) D) Zn(s) with Mg2+(aq)