What are the spectator ions in the solution after completely precipitating an insoluble hydroxide compound when mixing KOH (aq) and FeCl2 (aq)?
K+ , OH- , Fe2+ , and Cl-
K+ and OH-
Cl- and OH-
OH- and Fe2+
Fe2+ and Cl-
Fe2+ and K+
Cl- and K+
K+
Cl-
Fe2+