Answer
If a strip of lead is dipped into a solution of magnesium nitrate, no reaction will take place. Magnesium is above lead in the activation series (so magnesium is more readily oxidized than lead). Therefore, lead is not oxidized by magnesium ions spontaneously and no reaction will take place.
Work Step by Step
If a strip of lead is dipped into a solution of magnesium nitrate, no reaction will take place. Magnesium is above lead in the activation series (so magnesium is more readily oxidized than lead). Therefore, lead is not oxidized by magnesium ions spontaneously and no reaction will take place.