Based on the equations below, which reaction will form a precipitate?


KI (aq) + LiNO₃ (aq) →


NaOH (aq) + NH₄C₂H₃3O₂(aq) →


Ca(NO₃)₂(aq) + K₂CO₃(aq) →


Cu(NO₃)₂ (aq) + BaCl₂(a