Which of the following pairs of solutions will produce a precipitate when mixed?

A. Pb(NO3)2(aq) and NaCI(aq)
B. MgSO4(aq) and HCI(aq)
C. ZnCI2(aq) and NaSO4(aq)
D. NaOH(aq) and HNO3(aq)

Correct Answer: Option A

A. Pb(NO3)2(aq) and NaCI(aq)