Magento version updated and theme setup

There is a website running on Mangento v 1.9 i.e . Now I want to recreate the website using a different theme i.e (demo: , which supports magneto v 2. I will be upgrading the current magento version to Magento v2 on server and would like to get ensured that the theme I am going to purchase will work fine on the server .

Also , I will be working on localhost first then upload the files on server.

Kindly let me know if it will work fine

In case of need: