Hello ,
You can add add Rating widget on your page by following way,
There is Star-rating widget available in toolbar search for it and add it on your page. Or you can follow the doc about rating link is below
Rating - Marketplace Guide | Mendix Documentation
Thank you.
Hello nithya inside layout grid use table and put your widget into table. Instead of grid use tables with listview. By this way you can give a look like a grid. Hope it helps.