Answer:
Fe + CuSO4 → Cu + Fe2(SO4)
2. Combine lead (II) nitrate and potassium iodide solutions.
Pb(NO3)2+ Kl → KNO3 + PbI2
3. Combine magnesium metal and hydrochloric acid solution.
Mg + HCl → MgCl 2(aq) + H 2(g)
4. Electrolysis (splitting) of water.
H2O → Im not sure sorry
5. Burning magnesium.
Mg + O2 → MgO
Explanation: