The result of Dilation is either enlargement or reduction of the original object or figure. This depend on the scale factor. A scale factor lesser than 1 results in reduction while a scale factor greater than 1 results in enlargement.
From the given information, the scale factor is 2 and the result would be an enlargement.
The new coordinates would be
(2 * 2, 1 * 2) = (4, 2)