If aqueous sodium hydroxide is added to a solution and a white precipitate is produced that then dissolves in excess sodium hydroxide, which ion may be present in the solution?
- A$\text{Al}^{3+}(\text{aq})$
- B$\text{Ca}^{2+}(\text{aq})$
- C$\text{Cu}^{2+}(\text{aq})$
- D$\text{Na}^{+}(\text{aq})$