Yes but there are issues. EF 6.3 supports working with .NET Core as a migration solution only. It is not designed to be the long term solution but rather an intermediary step on the way to EF Core. Refer to the blog article here and pay special attention to the things that won't work.
I should point out that Oracle supports .NET Core so if that is the only rationale then move to EF Core and optionally Oracle Managed Driver for .NET Core.