Hi,
Please follow the given steps to have 2 columns at contact page for Scratch template .
1) TemplateToaster -> Open Contact page -> Content -> Select contact form.
2) After that, add column from Content -> Cell -> plus icon (+) -> Cell Position 0 -> ok.
3) And set column width '6' for both the columns, select column -> Content -> Cell -> Width -> 6. Similarly, for contact form column.