Touch ID will not work and the button will not work either!
[quote][https://ifixit.org/blog/9020/no-fix-iphone-7-home-button/|The iPhone 7 and 7 Plus appears to take this feature a step further. Home button replacement—or damage to the original home button cable—renders the button completely non-functional: no Touch ID and (here’s the new part) '''no return-to-menu ability'''. You can still navigate your phone by turning on Assistive Touch. But for all practical purposes, you’ve got a dead home button. One that you can’t fix on your own or at an independent repair shop.][/quote]