In which of the following net ionic equations did a precipitate NOT form?

Ni3+ (aq) + 3 NO3¯ (aq) + 3 K+ (aq) + 3 Br¯ (aq) = Ni3+ (aq) + 3 NO3¯ (aq) + 3 K+ (aq) + 3 Br¯ (aq)