Answer
basic (alkaline)
Explanation
To know if the solution is acidic, basic or neutral, you need to determine the pH of the solution.
[tex]pH=-log[OH^+][/tex]Putting [OH⁺] = 1.00 x 10⁻¹⁰ into the pH formula, we have
[tex]\begin{gathered} pH=-log(1.00\times10^{-10}) \\ \\ pH=-(-10) \\ \\ pH=10 \end{gathered}[/tex]Note that the pH scale ranges from 0 to 14, with 7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline (basic).
Therefore, the solution is basic (alkaline)