In this example, sodium hydroxide (NaOH, a strong base) is added to a silver nitrate solution (AgNO₃, a source of Ag⁺ ions). As you can see in the video, a precipitate (silver hydroxide, AgOH) quickly forms.

AgNO3 (aq) + NaOH (aq)

AgOH (s) + NaNO3 (aq)