Which of the following will occur when a solution of Pb(NO3)2(aq) is mixed with a solution of KI(aq) ?
◦ A precipitate of KNO3 will form; Pb2+ and I– are spectator ions.
◦ No precipitate will form.
◦ A precipitate of Pb(NO3)2 will form; K+ and I– are spectator ions.
◦ A precipitate of PbI2 will form; K+ and NO3– are spectator ions.
◦ A precipitate of PbI2 will form; Pb2+ and I– are spectator ions.