Sodium hydroxide (NaOH), as well as all alkali metal hydroxides, is a strong base. Metal hydroxides will ionize in an aqueous solution, producing a metal cation and the hydroxide anion, which acts as ...

That universal indicator is showing us that the water now contains an alkali in this case - lithium hydroxide. So let's try it with another Group 1 metal - sodium. As you can see it reacts far ...