Welcome to the Hubitat Community!
First, Hubitat does not have WiFi, nor does the Caséta Smart Bridge Pro, so ensure you have two Ethernet ports in each router available.
Yes. You’re going to want to use HubConnect (a community app) or Link to Hub and Hub Link (Built-in apps). Most in the community seem to prefer HubConnect. This will allow devices to be shared between the two hubs.
Current Release: 1.6.4 - December 29, 2019
HubConnect 1.x End of Life Notice
With version 2.0 about to be released, there will be no further updates to the 1.x codebase and all official support will end on 4-30-2020.
HubConnect - A new and improved way to connect and share devices across multiple Hubitat and SmartThings hubs to a central Hubitat hub. HubConnect replaces HubLink/Link to Hub and supports true bi-directional device linkages no matter where the device is physically located; …
Here are the tested compatible devices
https://docs.hubitat.com/index.php?title=List_of_Compatible_Devices
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